Electronic single-seat electric control valve (explosion-proof type)

Products > Regulating valve > Electronic single-seat electric control valve (explosion-proof type)

Electronic single-seat electric control valve (explosion-proof type)

Model: ZDLP
Nominal diameter: DN20 ~ 300mm
Nominal: PN0.6 ~ 6.4MPa
Operating Temperature: -40 ~ 230 ℃ (Std), plate-fin 230 ~ 450 ℃ (medium Temperature), -100 to special order 600 ℃
Main material: WCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M
Drive: motor
Design criteria: GB / T17213
Inspection standards: GB / T4213
Flange standard: JIS B220, JB / T79, ANSI B16.5-1981 , GB / T9113, HG20594-97, HG20618-97 and the like

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產品詳細

DLP electronic electric single-seat control valve Overview
ZDLP electronic electric single-seat control valve, the PS series and 3610 series of straight-stroke electric actuator and low flow resistance through the single seat valve (also available with other brands of straight-stroke actuator). Electric actuator for the electronic integration structure, with a servo amplifier, the input control signal (4-20mADC or 1-5VDC) and the power supply to control the valve opening, to the pressure, flow, level, temperature and other parameters adjust. With sensitive action, simple connection, large flow, small size, high regulation accuracy. Control accuracy and performance than the DKZ type has significantly improved.
Single seat valve for leakage on the strict requirements, the valve before and after the low pressure and a certain viscosity of the occasion. Widely used in electric power, metallurgy, chemical industry, petroleum, environmental protection, light industry, equipment and other industries.

ZDLP electronic electric single-seat regulating valve regulating mechanism of the main technical parameters

Nominal diameter mm		G3 / 4 "						20				25	32	40	50	65	80	100	125	150	200	250	300	350	400
Seat diameter mm		3	4	5	6	7	8	10	12	15	20	26	32	40	50	66	80	100	125	150	200	250	300	With the company to negotiate production
Rated flow coefficient kv	Straight	0.08	0.12	0.20	0.32	0.5	0.8	1.8	2.8	4.4	6.9	11	17.6	27.5	44	69	110	176	275	440	690	1000	1600
	Equal percentage							1.6	2.5	4	6.3	10	16	25	40	63	100	160	250	400	630	900	1440
Nominal pressure (MPa)		0.6, 1.6, 2.5, 4.0, 6.4
Travel (mm)		10										16		25		40			60			100
Flow characteristics		straight line						Straight line, equal percentage, quick opening
Operating temperature ℃		-40 ~ 230 ℃ (room temperature type), heat sink 230 ~ 450 ℃ (medium temperature), special order -100 ~ 600 ℃
Flange size		In line with JB78-59, JB79-59 standards, according to JB / 79.1-94, JB / 79.2-94, ANSI, JIS, DIN and other standard production orders
Body material		WCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M
Spool material		1Cr18Ni9, SS304, Cr18Ni12Mo2Ti, SS316, ZG1Cr18Ni9Ti
Body type		Straight through the single seat cast ball valve
On the bonnet type		Ordinary (room temperature), heat-chip (medium temperature), long neck (low temperature)
Equipped with electric actuator model	PSL	PSL-201										PSL-202		PSL-204		PSL-208			PSL-312			PSL325
	361L	361LSA-08,361LXA-08										361LSA-20		361LSB-30		361LSB-50			361LSC-65			361LSC-99
	Explosion-proof	361LXA-20												361LXB-30		361LXB-50

Note:
1, Users can provide ANSI, JPI, JPI and other countries Flange standard products, the flange according to the user needs to determine.
2, the working temperature, nominal pressure, nominal diameter beyond the scope of the list of products can contact with the company.

1, electronic electric single-seat control valve actuator main technical parameters

model		Rated output force N		Speed mm / s		Technical Parameters
PSL	361L	PSL	361L	PSL	361L	PSL	361L
201	361LSA-08 361LXA-08	1000	800 800	0.25	4.2 4.2	Power: AC220V 50Hz Input signal: DC4-20mA DC1-5V (signal line shielded cable) Output signal: DC4 ~ 20mA Protection class: IP67 With hand wheel	Power: AC220V 50Hz Input signal: DC4-20mA DC1-5V (signal line shielded cable) Output signal: DC4 ~ 20mA Protection class: quite IP55 Flameproof mark: ExdⅡBT4 with handle
202	361LSA-20 361LXA-20	2000	2000 2000	0.50	2.1 2.1
204	361LSB-30 361LXB-30	4500	3000 3000	0.50	3.5 3.5
208	361LSB-50 361LXB-50	8000	5000 5000	1.00	1.7 1.7
312	361LSC-65	12000	6500	0.60	2.8
325	361LSC-99	25000	10000	1.0	2.0

2, ZDLP electronic electric single-seat control valve performance indicators

project			Index value
Basic error%			With 3610L ± 2.5; with locator ± 1.0
Backlash%			With 361L ± 2.0; with PSL ± 1.0
dead zone%			1.0
Always point deviation%	Electricity	Start point	± 2.5
		end	± 2.5
	Power off	Start point	± 2.5
		end	± 2.5
Adjustable range			50: 1
Rated travel deviation%			2.5
Discharge volume L / H			Complies with JB / T7387-94 Class IV less than the rated capacity of the valve × 10-4

3, ZDLP electronic electric single-seat control valve to allow pressure

Nominal diameter (mm)		20				25	40		50	65	80	100	150		200	250	300
Seat diameter (mm)		10	12	15	20	25	32	40	50	65	80	100	125	150	200	250	300
Execution agency		Allowable pressure difference △ P (MPa)
With PSL	PSL202	6.4	6.4	6.4	4.90	3.14	1.92	1.23	0.78
	PSL204						4.31	2.76	1.76	1.04	0.69	0.44
	PSL208									1.86	1.23	0.78	0.50	0.35	0.20
	PSL320												1.26	0.87	0.49	0.32	0.22
With 361L	361LSA-20	6.4	6.4	6.4	4.90	3.14	1.92	1.23	0.78
	361LSB-50						4.79	3.06	1.96	1.16	0.76	0.49
	361LSC-65									1.51	0.99	0.64	0.41	0.28
	361LSC-99												0.63	0.44	0.25	0.16	0.11

Note: The actual configuration needs to be based on specific process parameters. If the pressure difference is clear or the maximum working pressure is outside the range of the list, please contact us and take appropriate measures to resolve

4, ZDLP electronic electric single seat control valve dimensions

Nominal diameter (mm)			20	25	40	50	65	80	100	150	200	250	300
L (mm)	PN1.6MPa		181	184	222	254	276	298	352	451	600	720	820
	PN4.0MPa		194	197	235	267	292	317	368	473	600	760	850
	PN6.4MPa		206	210	251	286	311	337	394	508	650	800	870
H1 (mm)			67	72	87	92	105	110	127	174	209	300	350
With PSL	H (mm)	normal type	738	750	765	767	845	857	875	1025	1045	1252	1545
	H (mm)	Heat sink type	888	900	930	937	1025	1042	1085	1285	1305	1805	1825
	D (mm)		176									225
	Weight (KG)		15	17	24	29	49	61	82	150	211	370	570
With 361L	H (mm)	normal type	501	513	650	652	770	782	800	1080	1125	1345	1365
	H (mm)	Heat sink type	651	663	815	822	950	967	1010	1340	1385	1625	1645
	D (mm)		225							310
	Weight (KG)		23	24	39	44	64	76	97	203	264	418	618

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